Base plate for an ostomy appliance

Abstract

A base plate for an ostomy appliance is disclosed, the base plate comprising a first adhesive layer with a proximal side configured for attachment of the base plate to the skin surface of a user, the first adhesive layer having a stomal opening with a center point; and a plurality of electrodes including a ground electrode, a first electrode, and a second electrode, the ground electrode comprising a ground connection part, the first electrode comprising a first connection part, and the second electrode comprising a second connection part; wherein the ground electrode forms a ground for the first electrode and the second electrode.

What is claimed is: 
     
       1. A base plate for an ostomy appliance, the base plate comprising:
 a proximal adhesive layer with a distal surface and a proximal side configured for attachment of the base plate to a skin surface of a user, the proximal adhesive layer having a stomal opening with a center point; and 
 an electrode layer being a separate layer than the proximal adhesive layer and including a ground electrode, a first electrode, and a second electrode, the ground electrode comprising a ground connection part, the first electrode comprising a first connection part, and the second electrode comprising a second connection part, the electrode layer being arranged distal to the distal surface of the proximal adhesive layer; 
 a support film formed from a flexible polymeric material, wherein the support film is arranged distal to the electrode layer and the electrode layer is arranged entirely on a proximal surface of the support film; 
 a distal adhesive layer having a proximal adhesive surface, wherein the support film and the electrode layer are arranged proximal to the proximal adhesive surface of the distal adhesive layer and the proximal adhesive surface of the distal adhesive layer is arranged distal to the distal surface of the proximal adhesive layer; 
 wherein the ground electrode forms a ground for the first electrode and the second electrode; and 
 wherein the ground electrode comprises a first electrode part and a second electrode part, the first electrode part forming the ground for the first electrode and the second electrode part forming the ground for the second electrode. 
 
     
     
       2. The base plate according to  claim 1 , wherein the first electrode comprises a first sensing part, the first sensing part contacting the proximal adhesive layer and arranged at least partly annularly around the stomal opening. 
     
     
       3. The base plate according to  claim 1 , wherein the first electrode comprises a first conductor part insulated from the proximal adhesive layer by a masking element arranged between the first conductor part and the proximal adhesive layer. 
     
     
       4. The base plate according to  claim 1 , wherein the second electrode comprises a second sensing part, the second sensing part contacting the proximal adhesive layer and arranged at least partly annularly around the stomal opening. 
     
     
       5. The base plate according to  claim 4 , wherein the first electrode comprises a first  30  sensing part, the first sensing part contacting the proximal adhesive layer and arranged at least partly annularly around the stomal opening, and wherein the first sensing part is arranged at a first radial distance from the center point and the second sensing part is arranged at a second radial distance from the center point, wherein the second radial distance is larger than the first radial distance. 
     
     
       6. The base plate according to  claim 1 , wherein the second electrode comprises a second conductor part insulated from the proximal adhesive layer by a masking element arranged between the second conductor part and the proximal adhesive layer. 
     
     
       7. The base plate according to  claim 1 , wherein the first electrode forms an open loop. 
     
     
       8. The base plate according to  claim 1 , wherein the second electrode forms an open loop. 
     
     
       9. The base plate according to  claim 1 , wherein the base plate comprises a third electrode comprising a third connection part, wherein the ground electrode forms a ground for the third electrode. 
     
     
       10. The base plate according to  claim 9 , wherein the ground electrode comprises a third electrode part, the third electrode part forming the ground for the third electrode. 
     
     
       11. The base plate according to  claim 1 , wherein the base plate comprises a second adhesive layer, wherein the plurality of electrodes is arranged between the proximal adhesive layer and the second adhesive layer. 
     
     
       12. The base plate according to  claim 1 , wherein the base plate comprises a fourth electrode comprising a fourth connection part, wherein the ground electrode forms a ground for the fourth electrode. 
     
     
       13. The base plate according to  claim 1 , wherein the base plate comprises a fifth electrode comprising a fifth connection part, wherein the ground electrode forms a ground for the fifth electrode.